-34.34% is the change from 964 to 633
Calculation steps:
[( 633 - 964 ) ÷ 964] x 100 = -34.34%
Formula
Percentage change = [(633 - 964) / 964] x 100
Subtract the new number by the original number
633 - 964 = -331
-331 ÷ 964 = -0.3433609958506224
-0.3433609958506224 x 100 = -34.34%